PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-10:43:00
G01     55.5           28.2                1.9 +/-    1.52       3.5 +/-    1.52  0.040 / 0.060
G07     143.0          17.8                4.8 +/-    2.67      11.2 +/-    2.67  0.040 / 0.060
G11     47.1           23.0                2.0 +/-    1.67       4.1 +/-    1.67  0.190 / 0.390
G13     257.3          34.9                5.6 +/-    1.85       8.9 +/-    1.85  0.190 / 0.500
G15     291.4          16.0                0.9 +/-    2.51       2.3 +/-    2.51  0.030 / 0.040
G17     264.0          76.5                5.4 +/-    0.67       5.5 +/-    0.67  0.030 / 0.030
G18     39.8           10.5                1.5 +/-    8.40       4.2 +/-    8.40  0.070 / 0.140
G19     235.6          55.6                5.0 +/-    1.50       5.9 +/-    1.50  0.060 / 0.170
G28     28.6           59.2                4.4 +/-    1.17       5.0 +/-    1.17  0.050 / 0.060
G30     146.3          50.8                6.6 +/-    0.66       8.2 +/-    0.66  0.040 / 0.060